fix: handle keywords stemmer, fix #487

Author: weareoutman

docusaurus-search-local/src/server/utils/parseDocument.spec.ts

@@ -55,7 +55,7 @@ describe("parseDocument", () => {
       {
         pageTitle: "Hello World",
         description: "Hello Description",
-        keywords: "Hello,Keywords",
+        keywords: "Hello, Keywords",
         sections: [
           {
             title: "Hello World",

docusaurus-search-local/src/server/utils/parseDocument.ts

@@ -9,7 +9,10 @@ export function parseDocument($: cheerio.Root): ParsedDocument {
   const $pageTitle = $("article h1").first();
   const pageTitle = $pageTitle.text();
   const description = $("meta[name='description']").attr("content") || "";
-  const keywords = $("meta[name='keywords']").attr("content") || "";
+  const keywords = ($("meta[name='keywords']").attr("content") || "").replace(
+    /,/g,
+    ", "
+  );
 
   const sections: ParsedDocumentSection[] = [];
   const breadcrumb: string[] = [];